package p10;

/**
 * @author krystal
 * @date 2022/11/12 20:57
 */
class Student{
    public int age;

    public Student(int age){
        this.age=age;
    }
}
public class Demo4 {
    public static void main(String[] args) {
        String s1=String.valueOf(1234);
        String s2=String.valueOf(1.34);
        String s3=String.valueOf(new Student(18));
        System.out.println(s1);
        System.out.println(s2);
        System.out.println(s3);

        int a=Integer.valueOf("64",8);
        System.out.println(a);
    }
}
